I wondered if one of my favorite writers, James Joyce, was an atheist and soon came the conclusion that he was indeed an atheist. When you consider his background and upbringing that is a very considerable feat.
I came across the following quotation: “There is no heresy or no philosophy which is so abhorrent the church as a human being.” "James Joyce Irish novelist.
I have no idea one way or another. But when you google that question, many entries come up suggesting that he "came back" to the church. In a way I sort of do not care as I never could connect with his type of writing anyway. There have been many authors in history. A lot of the famous ones, I have never cared for, but have found myself enjoying a number of the much less well known authors.